refactor(core): Use Dependency Injection for all Controller classes (no-changelog) (#8146)

## Review / Merge checklist
- [x] PR title and summary are descriptive

packages/cli/src/decorators/OnShutdown.ts

@@ -24,6 +24,7 @@ import { type ServiceClass, ShutdownService } from '@/shutdown/Shutdown.service'
 export const OnShutdown =
 	(priority = 100): MethodDecorator =>
 	(prototype, propertyKey, descriptor) => {
+		// eslint-disable-next-line @typescript-eslint/no-unsafe-assignment
 		const serviceClass = prototype.constructor as ServiceClass;
 		const methodName = String(propertyKey);
 		// TODO: assert that serviceClass is decorated with @Service

packages/cli/src/decorators/RestController.ts

@@ -1,7 +1,10 @@
+import { Service } from 'typedi';
 import { CONTROLLER_BASE_PATH } from './constants';
 
 export const RestController =
 	(basePath: `/${string}` = '/'): ClassDecorator =>
 	(target: object) => {
 		Reflect.defineMetadata(CONTROLLER_BASE_PATH, basePath, target);
+		// eslint-disable-next-line @typescript-eslint/no-unsafe-return
+		return Service()(target);
 	};

packages/cli/src/decorators/registerController.ts

@@ -1,6 +1,9 @@
+import { Container } from 'typedi';
 import { Router } from 'express';
 import type { Application, Request, Response, RequestHandler } from 'express';
-import type { Config } from '@/config';
+import type { Class } from 'n8n-core';
+
+import config from '@/config';
 import type { AuthenticatedRequest } from '@/requests';
 import { send } from '@/ResponseHelper'; // TODO: move `ResponseHelper.send` to this file
 import {
@@ -21,7 +24,7 @@ import type {
 	ScopeMetadata,
 } from './types';
 import type { BooleanLicenseFeature } from '@/Interfaces';
-import Container from 'typedi';
+
 import { License } from '@/License';
 import type { Scope } from '@n8n/permissions';
 import { ApplicationError } from 'n8n-workflow';
@@ -81,9 +84,8 @@ const authFreeRoutes: string[] = [];
 export const canSkipAuth = (method: string, path: string): boolean =>
 	authFreeRoutes.includes(`${method.toLowerCase()} ${path}`);
 
-export const registerController = (app: Application, config: Config, cObj: object) => {
-	const controller = cObj as Controller;
-	const controllerClass = controller.constructor;
+export const registerController = (app: Application, controllerClass: Class<object>) => {
+	const controller = Container.get(controllerClass as Class<Controller>);
 	const controllerBasePath = Reflect.getMetadata(CONTROLLER_BASE_PATH, controllerClass) as
 		| string
 		| undefined;